CA848618A - Automatic focusing system for beam devices - Google Patents

Automatic focusing system for beam devices

Info

Publication number
CA848618A
CA848618A CA848618A CA848618DA CA848618A CA 848618 A CA848618 A CA 848618A CA 848618 A CA848618 A CA 848618A CA 848618D A CA848618D A CA 848618DA CA 848618 A CA848618 A CA 848618A
Authority
CA
Canada
Prior art keywords
automatic focusing
focusing system
beam devices
devices
automatic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA848618A
Inventor
H. Dost Martin
Fred Kurzweil, Jr.
R. Barber Robert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
Publication date
Application granted granted Critical
Publication of CA848618A publication Critical patent/CA848618A/en
Expired legal-status Critical Current

Links

CA848618A Automatic focusing system for beam devices Expired CA848618A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA848618T

Publications (1)

Publication Number Publication Date
CA848618A true CA848618A (en) 1970-08-04

Family

ID=36332831

Family Applications (1)

Application Number Title Priority Date Filing Date
CA848618A Expired CA848618A (en) Automatic focusing system for beam devices

Country Status (1)

Country Link
CA (1) CA848618A (en)

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